43 lines
1.2 KiB
Lua
43 lines
1.2 KiB
Lua
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---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2014, Adrian C. <anrxc@sysphere.org>
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---------------------------------------------------
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-- {{{ Grab environment
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local tonumber = tonumber
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local io = { popen = io.popen }
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local setmetatable = setmetatable
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local string = { match = string.match }
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-- }}}
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-- nvsmi: provides GPU information from nvidia SMI
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-- vicious.contrib.nvsmi
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local nvsmi = {}
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-- {{{ GPU Information widget type
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local function worker(format, warg)
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-- Fallback to querying first device
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if not warg then warg = "0" end
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-- Get data from smi
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-- * Todo: support more; MEMORY,UTILIZATION,ECC,POWER,CLOCK,COMPUTE,PIDS,PERFORMANCE
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local f = io.popen("nvidia-smi -q -d TEMPERATURE -i " .. warg)
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local smi = f:read("*all")
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f:close()
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-- Not installed
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if smi == nil then return {0} end
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-- Get temperature information
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local _thermal = string.match(smi, "Gpu[%s]+:[%s]([%d]+)[%s]C")
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-- Handle devices without data
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if _thermal == nil then return {0} end
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return {tonumber(_thermal)}
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end
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-- }}}
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return setmetatable(nvsmi, { __call = function(_, ...) return worker(...) end })
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